Chemistry, 15.10.2020 07:01 Kjswagout40081
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Sort the questions based on whether they are better answered by an observational study or a controlled experiment.
How effective is a new
mothpaste in reducing
cavities?
How does the daytime
temperature affect the
formation of dew at night?
Which is a better absorber
of heat, an object painted
black or the same object
painted white?
Can plants prepare food
even in artificial light?
Why does a rolling ball slow
down as it moves?
Observational Study
Controlled Experiment
Answers: 1
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